Home / 92,521.07-138,836.97-84,992.32

Finding the Fourth Proportional to 92,521.07, 138,836.97 and 84,992.32

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Solution

The fourth proportional to 92,521.07, 138,836.97 and 84,992.32 is: 127,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,521.07 : 138,836.97 = 84,992.32 : x
  2. Step 2: Convert to fraction form
    92,521.07/138,836.97 = 84,992.32/x
  3. Step 3: Cross multiply
    92,521.07x = 138,836.97 × 84,992.32
  4. Step 4: Simplify right side
    92,521.07x = 11,800,076,355.62
  5. Step 5: Solve for x
    x = 11,800,076,355.62/92,521.07
  6. Step 6: Final answer
    x = 127,539.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.